For Residential and Commercial Applications
ES-LF3004
LF3004
Series LF3004
Dielectric Unions
Sizes:
1
⁄2" – 2" (15 – 50mm)
Series LF3004 Dielectric Unions feature female iron pipe thread
to female iron pipe thread (zinc plated) connections. These
unions are designed to be installed to prevent accelerated cor-
rosion and deterioration in the piping system due to galvanic
and stray current. The LF3004 features Lead Free* construction
to comply with Lead Free* installation requirements.
Features
• Female iron pipe thread to female iron pipe thread
(zinc plated) connections.
• Designed and manufactured to the highest quality standards
• Individually factory certified to withstand a minimum of 600
volts on a dry line with no flashover
• Rated to 180°F (82°C) at 250psi (17.2 bar)
Specifications
A dielectric union shall be installed where indicated on the
plans. The union shall feature a female iron pipe thread to
female iron pipe thread (zinc plated) connections. The union
shall be a Watts Series LF3004.
Materials — Dimensions — Weights
B
A
Standards
Meets federal specifications for tensile strength and thread end
connections
Pressure — Temperature
Maximum Pressure: 250psi (17.2 bar)
Maximum Temperature: 180°F (82°C)
ES-LF3004 1325 © 2013 Watts
USA: Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.watts.ca
Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts
reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications
on Watts products previously or subsequently sold.
A Watts Water Technologies Company
*The wetted surface of this product contacted by consumable water
contains less than 0.25% of lead by weight.
LEAD FREE
*
Job Name
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Contractor
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Job Location
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Approval
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Engineer
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Contractor’s P.O. No.
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Approval
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Representative
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Size MATeRiALS DiMeNSiONS WeiGHT
TAIL PIECE † ADAPTER † NUT † INSULATOR GASKET A B
in. mm in. mm in. mm oz. gm.
1
⁄2 15 Steel Steel Steel Polysulfone Buna-N 1
5
⁄8 41 2
1
⁄4 57 7.8 221
3
⁄4 20 Steel Steel Steel Polysulfone Buna-N 1
7
⁄8 48 2
1
⁄4 57 10.9 309
1 25 Steel Steel Steel Polysulfone Buna-N 2
1
⁄4 58 2
1
⁄2 64 16.6 471
1
1
⁄4 32 Steel Steel Malleable Iron Polysulfone Buna-N 2
3
⁄4 70 2
3
⁄4 70 23.5 666
1
1
⁄2 40 Malleable Iron Malleable Iron Malleable Iron Polysulfone Buna-N 3
1
⁄2 89 2
3
⁄4 70 44.5 1262
2 50 Malleable Iron Malleable Iron Malleable Iron Polysulfone Buna-N 4
1
⁄8 105 3
1
⁄8 79 67.2 1905
† Steel and malleable iron components are zinc plated
(1 pages)
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